Drug delivery device



FIG. 1 is a top and side perspective view of a drug delivery device according to our design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing is included for the purpose of illustrating unclaimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for a drug delivery device, as shown and described. 